Circuit/System Verification

Ignition ON, perform the Auxiliary Gauge Sweep test with the scan tool, verify all auxiliary gauges sweep from the low to high positions.
- If none of the auxiliary gauges sweep properly
  Refer to Auxiliary Gauges Malfunction .
- If one, two, or three of the auxiliary gauges sweep properly
  Replace the P26 Auxiliary Gauge Module.
- If all auxiliary gauges sweep properly
Verify that DTC B1420 is not set.
- If the DTC B1420 is set
  Refer to DTC B1325, B1330, B1420, B1424, B1517, C0800, P0560, P0562, or P0563 .
- If the DTC B1420 is not set
Replace the P26 Auxiliary Gauge Module.